How do body work together to

carry out life functions?

Chapter 1: Lesson 5:

Function of the skeletal system

1) Protect the soft organs ex. Heart and lungs.2) Provide a framework for the body (support).

Protect the heart and lungs

HipsSpine

Neck

Vertebrae

Shoulder

Knee

Thigh

Elbow

Foot Ankle

Shin

What is bone? A living tissue

Soft bone marrow inside many of the bones is where most of the blood cells are made.

What make up the bones?

X-rays

Pictures that gives doctors a map of the body

How do we know what our bodies look like?

Babies have 300 bones which grow and fuse together to form the 206 bone of adults.

Example:

Clean breakWhen the bone has

broken into two bones.

A green stick fractureWhen the bone cracks

on one side only, not all the way through.

Types of bone fractures

Muscular system

Helps animals move.

Digestive system

A long tube where the food is broken down into nutrients an organism can use.

Salivary glandsProduce saliva to break

down food in the mouth.

TeethGrind the food into smaller

pieces.

TongueHelps us swallow food.

EsophagusMuscular tube that contracts and expands to push partially digested

food to the stomach. StomachStrong acids help break down food

more.Liver and pancreasProduce juices to digest the food

further in the small intestine.Small intestine

Nutrients are digested from the small intestine.

Large intestineWater is re-absorbed from

undigested food.

AnusUndigested food leaves the body

through the anus.

Removes wastes from the body.

Kidney(Removes wastes from the

blood using lots of tiny filters)

Ureters

Bladder(Stores urine)

Urethra(Passes out urine when bladder is full)

Provide oxygen to all the cells of the body.

NoseWe breathe in oxygen

and breathe out carbon dioxide from it.

Trachea(passage way)

LungsGives oxygen to the blood

and takes the carbon dioxide from the bloodDiaphragm

Includes the brain, the spinal cord, nerves and sense organs.

Brain1) Controls body organs.2) Coordinates muscle movement.3) Interprets information from sense organs.

Spinal cordPasses signals sent to and from the brain.

Nerves